Anonymous answered The Equation is not correct it should beH3BO3 + NaOH = Na2H2 + BO3 + H2Oand the balanced equation is4H3BO3 + 6 NaOH = 3 Na2H2 + 4 BO3 + 6 H2OI am sure the following site will help youBalance Chemical Equation
Anonymous answered 2NaOH + 4H3BO3 ==> Na2B4O7 + 7H2OThere really is no such thing as Na2H2BO3Pozdro, o.r.s.